How do I get Price Alerts for flights from Belfast to San Francisco Bay Area?

Price Alerts will notify you by email when the price for flights to San Francisco Bay Area from Belfast decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Belfast to San Francisco Bay Area with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Belfast to San Francisco Bay Area?

Prices for flights from Belfast to San Francisco Bay Area are updated daily.

How many operators does momondo search for flights from Belfast to San Francisco Bay Area?

The number of operators available for flights from Belfast to San Francisco Bay Area is 2 as of April 2026.

How old do you have to be to fly from Belfast to San Francisco Bay Area?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to San Francisco Bay Area.

What documentation or ID do you need to fly to San Francisco Bay Area?

The necessary travel and health documents for your San Francisco Bay Area trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£623 Cheap Flights from Belfast to San Francisco Bay Area in 2026

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Find the cheapest flights from Belfast to San Francisco Bay Area

Round-trip

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

21:49 - 08:50

SFO

BHD

27h 01m

2 stops

£623British Airways

Wed, 2 Sep - Sun, 6 Sep

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

21:49 - 08:50

SFO

BHD

27h 01m

2 stops

£623British Airways

Wed, 2 Sep - Sun, 6 Sep

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

16:35 - 15:20

SFO

BHD

14h 45m

1 stop

£624British Airways

Tue, 28 Jul - Tue, 18 Aug

11:35 - 00:58

BHD

SFO

21h 23m

2 stops

10:16 - 15:20

SFO

BHD

21h 04m

2 stops

£626American Airlines

Wed, 29 Jul - Tue, 18 Aug

06:30 - 22:28

BHD

SFO

23h 58m

2 stops

16:35 - 17:30

SFO

BHD

16h 55m

1 stop

£627British Airways

Mon, 27 Jul - Mon, 17 Aug

09:40 - 22:28

BHD

SFO

20h 48m

2 stops

09:56 - 10:45

SFO

BHD

16h 49m

2 stops

£629British Airways

Mon, 27 Jul - Tue, 18 Aug

06:30 - 13:50

BHD

SFO

15h 20m

1 stop

16:35 - 17:40

SFO

BHD

17h 05m

1 stop

£653British Airways

Wed, 2 Sep - Sun, 6 Sep

19:35 - 13:50

BHD

SFO

26h 15m

1 stop

15:21 - 18:15

SFO

BHD

18h 54m

2 stops

£654British Airways

Mon, 27 Jul - Sat, 15 Aug

07:05 - 20:59

BHD

SFO

21h 54m

2 stops

16:35 - 15:30

SFO

BHD

14h 55m

1 stop

£656American Airlines

Sat, 25 Jul - Mon, 17 Aug

09:40 - 20:54

BHD

SFO

19h 14m

2 stops

13:16 - 17:40

SFO

BHD

20h 24m

2 stops

£659British Airways

Mon, 27 Jul - Sun, 16 Aug

American Airlines flights from Belfast to San Francisco Bay Area

Our best American Airlines deals on Belfast to San Francisco Bay Area flight tickets

American Airlines

29 Jul

BHD11:35Belfast City

21h 23m

2 stops

SFO00:58San Francisco

18 Aug

SFO10:16San Francisco

21h 04m

2 stops

BHD15:20Belfast City

£626

American Airlines

25 Jul

BHD07:05Belfast City

21h 54m

2 stops

SFO20:59San Francisco

17 Aug

SFO16:35San Francisco

14h 55m

1 stop

BHD15:30Belfast City

£656

American Airlines

29 Jul

BHD06:30Belfast City

22h 29m

2 stops

SFO20:59San Francisco

17 Aug

SFO11:22San Francisco

20h 08m

2 stops

BHD15:30Belfast City

£677

KLM flights from Belfast to San Francisco Bay Area

Our best KLM deals on Belfast to San Francisco Bay Area flight tickets

KLM

26 Jul

BHD17:30Belfast City

26h 15m

1 stop

SFO11:45San Francisco

17 Aug

SFO13:45San Francisco

19h 10m

1 stop

BHD16:55Belfast City

£1,056

KLM

26 Jul

BHD09:50Belfast City

33h 55m

1 stop

SFO11:45San Francisco

15 Aug

SFO14:25San Francisco

18h 30m

2 stops

BHD16:55Belfast City

£1,083

KLM

26 Jul

BHD09:50Belfast City

33h 55m

1 stop

SFO11:45San Francisco

15 Aug

SFO13:45San Francisco

35h 35m

1 stop

BHD09:20Belfast City

£1,085

momondo Fare Finder

Use the filters below to find and compare flights from Belfast to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 2/9

06:30-13:50

1 stop15h 20m

San Francisco

Sun 6/9

21:49-08:50

2 stops27h 01m

£623

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 2/9

06:30-13:50

1 stop15h 20m

San Francisco

Sun 6/9

21:49-08:50

2 stops27h 01m

£623

Fastest return journey

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 28/7

06:30-13:50

1 stop15h 20m

San Francisco

Tue 18/8

16:35-15:20

1 stop14h 45m

£624

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 29/7

11:35-00:58

2 stops21h 23m

San Francisco

Tue 18/8

10:16-15:20

2 stops21h 04m

£626

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 27/7

06:30-22:28

2 stops23h 58m

San Francisco

Mon 17/8

16:35-17:30

1 stop16h 55m

£627

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 27/7

09:40-22:28

2 stops20h 48m

San Francisco

Tue 18/8

09:56-10:45

2 stops16h 49m

£629

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 2/9

06:30-13:50

1 stop15h 20m

San Francisco

Sun 6/9

16:35-17:40

1 stop17h 05m

£653

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 27/7

19:35-13:50

1 stop26h 15m

San Francisco

Sat 15/8

15:21-18:15

2 stops18h 54m

£654

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sat 25/7

07:05-20:59

2 stops21h 54m

San Francisco

Mon 17/8

16:35-15:30

1 stop14h 55m

£656

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 27/7

09:40-20:54

2 stops19h 14m

San Francisco

Sun 16/8

13:16-17:40

2 stops20h 24m

£659

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Belfast to San Francisco Bay Area flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to San Francisco Bay Area

Fastest flight time	15h 20m
Direct flights	None

The fastest flight from Belfast to San Francisco Bay Area takes 15h 20m

There are no direct flights from Belfast to San Francisco Bay Area. There are no popular flight routes from Belfast to San Francisco Bay Area.

Search flight deals

Frequently asked questions about flying from Belfast to San Francisco Bay Area

When did momondo last update prices for flights from Belfast to San Francisco Bay Area?
Prices for flights from Belfast to San Francisco Bay Area are updated daily.
How many operators does momondo search for flights from Belfast to San Francisco Bay Area?
The number of operators available for flights from Belfast to San Francisco Bay Area is 2 as of April 2026.
How old do you have to be to fly from Belfast to San Francisco Bay Area?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to San Francisco Bay Area.
What documentation or ID do you need to fly to San Francisco Bay Area?
The necessary travel and health documents for your San Francisco Bay Area trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast to San Francisco Bay Area

Compare and see reviews for airlines that fly from Belfast to San Francisco Bay Area with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £434	Free Cancellation	Rating 6.7 7,850 reviews		Search British Airways flights
American Airlines	PriceFrom £479	Free Cancellation	Rating 7.1 11,561 reviews		Search American Airlines flights

Frequently asked questions about flying from Belfast to San Francisco Bay Area

How do I get Price Alerts for flights from Belfast to San Francisco Bay Area?
Price Alerts will notify you by email when the price for flights to San Francisco Bay Area from Belfast decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Belfast to San Francisco Bay Area with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to San Francisco Bay Area?

Finding the right flight to San Francisco Bay Area from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco Bay Area quick and easy, saving you time and money.

Can I find flights from Belfast to San Francisco Bay Area with flexible booking policies on momondo?

Yes. All flights to San Francisco Bay Area from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Belfast to San Francisco Bay Area?

Once you have performed a search for Belfast to San Francisco Bay Area flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Belfast to San Francisco Bay Area right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Belfast to San Francisco Bay Area flights. All you need is a valid email address and we will do the rest; it is that quick and easy.